-98.66% is the change from 898 to 12
Calculation steps:
[( 12 - 898 ) ÷ 898] x 100 = -98.66%
Formula
Percentage change = [(12 - 898) / 898] x 100
Subtract the new number by the original number
12 - 898 = -886
-886 ÷ 898 = -0.9866369710467706
-0.9866369710467706 x 100 = -98.66%